On the functional equation $f(x+y)f(x-y)=f^2(x)-f^2 (y)$ (Q3276883)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On the functional equation $f(x+y)f(x-y)=f^2(x)-f^2 (y)$ |
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On the functional equation $f(x+y)f(x-y)=f^2(x)-f^2 (y)$ (English)
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1961
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functional analysis
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